Pith Number

pith:5OAOBXLG

pith:2016:5OAOBXLGRG3PMKYR7WNK6XSZIC

not attested not anchored not stored refs pending

On a classification of 4-d gradient Ricci solitons with harmonic Weyl curvature

Jongsu Kim

arxiv:1604.02827 v1 · 2016-04-11 · math.DG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5OAOBXLGRG3PMKYR7WNK6XSZIC}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:17:22.065143Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb80e0dd6689b6f62b11fd9aaf5e59408e1a180abf9d3af7310660177b336eda

Aliases

arxiv: 1604.02827 · arxiv_version: 1604.02827v1 · doi: 10.48550/arxiv.1604.02827 · pith_short_12: 5OAOBXLGRG3P · pith_short_16: 5OAOBXLGRG3PMKYR · pith_short_8: 5OAOBXLG

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/5OAOBXLGRG3PMKYR7WNK6XSZIC \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: eb80e0dd6689b6f62b11fd9aaf5e59408e1a180abf9d3af7310660177b336eda

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe4a5a5010bb109a65744ad049a63df186a6b910b31f12ad73e5f7b6c950575f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2016-04-11T08:17:30Z",
    "title_canon_sha256": "b36b509b395035e531eaf0a5869f2c5082f40ed9ebf01b11b47e6a7b2156b495"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.02827",
    "kind": "arxiv",
    "version": 1
  }
}